Natal, Rio Grande do Norte, Brazil, situated at latitude -5.8111 and longitude -35.2235, offers a highly favorable location for solar energy production throughout the year. This tropical city experiences consistent sunlight, with seasons characterized more by wet and dry periods than significant temperature fluctuations.

Seasonal Solar Output

The solar energy potential in Natal remains robust across all seasons, with only minor variations:

• Spring: 7.18 kWh/day
• Summer: 6.89 kWh/day
• Autumn: 6.18 kWh/day
• Winter: 5.77 kWh/day

These figures represent the expected daily electricity output per kilowatt of installed solar capacity.

Optimal Panel Placement

For fixed solar panel installations in Natal, Rio Grande do Norte, the ideal tilt angle to maximize year-round energy production is 5 degrees facing North. This slight tilt helps optimize solar capture throughout the year, accounting for the Earth's elliptical orbit and Natal's proximity to the equator.

Peak Production Periods

While solar energy generation remains consistent year-round, the spring and summer months (September through February) offer slightly higher output. These periods coincide with longer daylight hours and more direct sunlight, making them particularly advantageous for solar energy production.

Environmental Considerations

Natal's tropical climate presents few significant impediments to solar production. However, there are some factors to consider: 1. Rainfall: The rainy season, typically from March to July, may slightly reduce solar output. Installing panels at the recommended tilt angle helps water runoff and prevents accumulation. 2. Coastal Environment: Natal's proximity to the ocean exposes solar installations to salt air. Using corrosion-resistant materials and applying protective coatings can mitigate potential damage. 3. Heat: While high temperatures don't significantly impact modern solar panels, ensuring proper ventilation during installation can help maintain optimal performance.

Overall, Natal's location proves exceptionally suitable for solar energy production, with minimal seasonal fluctuations and manageable environmental factors. Proper installation techniques and regular maintenance can further enhance the already impressive solar potential of this Brazilian city.

Note: The Tropics are located between 23.5° North and -23.5° South of the equator.

So far, we have conducted calculations to evaluate the solar photovoltaic (PV) potential in 3161 locations across Brazil. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Brazil by location

Solar output per kW of installed solar PV by season in Natal

Seasonal solar PV output for Latitude: -5.8111, Longitude: -35.2235 (Natal, Brazil), based on our analysis of 8760 hourly intervals of solar and meteorological data (one whole year) retrieved for that set of coordinates/location from NASA POWER (The Prediction of Worldwide Energy Resources) API:

 

Ideally tilt fixed solar panels 5° North in Natal, Brazil

To maximize your solar PV system's energy output in Natal, Brazil (Lat/Long -5.8111, -35.2235) throughout the year, you should tilt your panels at an angle of 5° North for fixed panel installations.

As the Earth revolves around the Sun each year, the maximum angle of elevation of the Sun varies by +/- 23.45 degrees from its equinox elevation angle for a particular latitude. Finding the exact optimal angle to maximise solar PV production throughout the year can be challenging, but with careful consideration of historical solar energy and meteorological data for a certain location, it can be done precisely.

We use our own calculation, which incorporates NASA solar and meteorological data for the exact Lat/Long coordinates, to determine the ideal tilt angle of a solar panel that will yield maximum annual solar output. We calculate the optimal angle for each day of the year, taking into account its contribution to the yearly total PV potential at that specific location.

Seasonally adjusted solar panel tilt angles for Natal, Brazil

If you can adjust the tilt angle of your solar PV panels, please refer to the seasonal tilt angles below for optimal solar energy production in Natal, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 5° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
10° South in Summer	12° North in Autumn	22° North in Winter	0° in Spring

Our recommendations take into account more than just latitude and Earth's position in its elliptical orbit around the Sun. We also incorporate historical solar and meteorological data from NASA's Prediction of Worldwide Energy Resources (POWER) API to assign a weight to each ideal angle for each day based on its historical contribution to overall solar PV potential during a specific season.

This approach allows us to provide much more accurate recommendations than relying solely on latitude, as it considers unique weather conditions in different locations sharing the same latitude worldwide.

Calculate solar panel row spacing in Natal, Brazil

We've added a feature to calculate minimum solar panel row spacing by location. Enter your panel size and orientation below to get the minimum spacing in Natal, Brazil.

Our calculation method

1. Solar Position:
   We determine the Sun's position on the Winter solstice using the location's latitude and solar declination.
2. Shadow Projection:
   We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle.
3. Minimum Spacing:
   We add the shadow length to the horizontal space occupied by tilted panels.

This approach ensures maximum space efficiency while avoiding shading during critical times, as the Winter solstice represents the worst-case scenario for shadow length.

Topography for solar PV around Natal, Brazil

Natal, the capital city of Rio Grande do Norte state in northeastern Brazil, is situated on a unique and diverse landscape. The city is nestled along the Atlantic coast, where sandy beaches meet the urban environment. The topography of Natal and its surrounding areas is characterized by a mix of coastal features and inland terrain. Along the coastline, Natal boasts expansive stretches of sandy beaches, punctuated by dunes that can reach impressive heights. These sand dunes, some of which are mobile and constantly shifting, create a striking visual contrast with the blue waters of the Atlantic Ocean. The Genipabu dunes, located just north of the city, are particularly notable and have become a popular tourist attraction. Moving inland from the coast, the terrain gradually transitions to a more varied landscape. The city itself is built on relatively flat land, with some gentle hills and undulations. As one travels further from the urban center, the topography becomes more diverse, featuring low-lying plains interspersed with modest elevations.

Potential for Solar PV Development

When considering areas suitable for large-scale solar photovoltaic (PV) installations near Natal, several factors come into play. The ideal locations would combine favorable topography with high levels of solar radiation and minimal environmental impact. The vast expanses of relatively flat land to the south and west of Natal present promising opportunities for solar PV development. These areas, characterized by open plains and gentle slopes, offer the space and terrain suitable for large solar arrays. The lack of significant geographical obstacles in these regions would simplify construction and maintenance of solar facilities. Additionally, the semi-arid climate of the interior regions of Rio Grande do Norte state provides ample sunlight throughout the year, making it an attractive location for solar energy production. These inland areas, away from the coastal zone, experience less cloud cover and rainfall compared to the immediate coastal region, potentially increasing the efficiency of solar panels. However, it's important to note that any large-scale solar PV project would need to carefully consider environmental factors. While the semi-arid regions may seem ideal, care must be taken to avoid disrupting sensitive ecosystems or agricultural lands. Areas of degraded pasture or abandoned agricultural plots could be particularly suitable, offering a way to repurpose land while minimizing environmental impact. In conclusion, while Natal itself may not be the most suitable location for large-scale solar PV due to its urban density and coastal features, the surrounding regions, particularly to the south and west, offer promising potential for solar energy development. These areas combine favorable topography, high solar radiation, and the possibility of utilizing land with lower environmental sensitivity, making them attractive prospects for future renewable energy projects.

Brazil solar PV Stats as a country

Brazil ranks 13th in the world for cumulative solar PV capacity, with 13,708 total MW's of solar PV installed. This means that 2.50% of Brazil's total energy as a country comes from solar PV (that's 31st in the world). Each year Brazil is generating 64 Watts from solar PV per capita (Brazil ranks 47th in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in Brazil?

Yes, there are several incentives for businesses wanting to install solar energy in Brazil. The Brazilian government offers a range of tax credits and other financial incentives to encourage the adoption of renewable energy sources such as solar power. These include reduced import taxes on solar equipment, accelerated depreciation of investments in renewable energy projects, and preferential financing from public banks. Additionally, some states offer additional incentives such as subsidies or grants for businesses that install solar systems.

Do you have more up to date information than this on incentives towards solar PV projects in Brazil? Please reach out to us and help us keep this information current. Thanks!

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Compare this location to others worldwide for solar PV potential

The solar PV analyses available on our website, including this one, are offered as a free service to the global community. Our aim is to provide education and aid informed decision-making regarding solar PV installations.

However, please note that these analyses are general guidance and may not meet specific project requirements. For in-depth, tailored forecasts and analysis crucial for feasibility studies or when pursuing maximum ROI from your solar projects, feel free to contact us; we offer comprehensive consulting services expressly for this purpose.

Helping you assess viability of solar PV for your site

Calculate Your Optimal Solar Panel Tilt Angle: A Comprehensive Guide

Enhance your solar panel's performance with our in-depth guide. Determine the best tilt angle using hard data, debunk common misunderstandings, and gain insight into how your specific location affects solar energy production.